John Brown American Abolitionist #11
Photo Researchers
Frederick Douglass, African-american #1
Photo Researchers
Harriet Tubman, American Abolitionist #3
Photo Researchers
Harriet Tubman, American Abolitionist #1
Photo Researchers
Sojourner Truth, African-american
Photo Researchers
Lucy Stone, American Abolitionist
Photo Researchers
John Brown, American Abolitionist #5
Photo Researchers
Frederick Douglass, African-american #6
Photo Researchers
Sojourner Truth, African-american #1
Photo Researchers
Susan B. Anthony, American Civil Rights
Photo Researchers, Inc.
Harriet Tubman, American Abolitionist
Photo Researchers
Angelina Grimké, American Abolitionist
Photo Researchers
Frederick Douglass, U.s. Postage Stamp
Science Source
John Brown, American Abolitionist #4
Photo Researchers
Harriet Tubman American Abolitionist #2
Photo Researchers
Slave Trader Surrenders To Baker, 1869
Photo Researchers
Frederick Douglass African-american #8
Photo Researchers
Sarah Moore Grimké, American
Photo Researchers
Harriet Tubman, Booker Washington
Photo Researchers
The Capture Of Margaret Garner
Photo Researchers
Am I Not A Man And A Brother #1
Photo Researchers
Andrew Taylor Still, American Father
Science Source
Scene From Uncle Toms Cabin #1
Photo Researchers
Frederick Douglass
Science Source
Dr. Mary Edwards Walker
Photo Researchers
Harriet Tubman, African-american
Photo Researchers
Dr Mary Edwards Walker #3
Photo Researchers
Harriet Beecher Stowe, American
Photo Researchers
William Lloyd Garrison
Science Source
John Brown, American Abolitionist
Photo Researchers
John Brown, American Abolitionist #3
Photo Researchers
John Brown, American Abolitionist #7
Photo Researchers
John Brown, American Abolitionist #8
Photo Researchers
Harriet Tubman, American Abolitionist #4
Photo Researchers
John Brown, American Abolitionist #2
Photo Researchers
John Brown, American Abolitionist #9
Photo Researchers
Lucy Stone, American Abolitionist #1
Photo Researchers
Julia Ward Howe, American Abolitionist
Science Source
John Brown, American Abolitionist #1
Photo Researchers
John Brown, American Abolitionist #6
Photo Researchers
Erasmus Darwin, English Polymath #8
Science Source
Erasmus Darwin, English Polymath #1
Science Source
Erasmus Darwin, English Polymath #4
Science Source
Erasmus Darwin, English Polymath #6
Science Source
Erasmus Darwin, English Polymath #2
Science Source
Erasmus Darwin, English Polymath #7
Science Source
Erasmus Darwin, English Polymath
Science Source
Erasmus Darwin, English Polymath #3
Science Source
Erasmus Darwin, English Polymath #5
Science Source
King Riouga And Samuel Baker, 1869
Photo Researchers
Henry Box Brown, African-american #3
Photo Researchers
The Rescue Of Jane Johnson And Her #1
Photo Researchers
Untitled #1
Metropolitan Museum of Art / Science Source
Burying The Dead After John Browns
Photo Researchers
Dr. Mary Edwards Walker #1
Photo Researchers
Resurrection Of Henry Box Brown #1
Photo Researchers
Frederick Douglass, African-american #4
Photo Researchers
Henry Box Brown, African-american #1
Photo Researchers
Effects Of Emancipation Proclamation
Photo Researchers
Scene From Uncle Toms Cabin
Photo Researchers
Frederick Douglass, African-american
Photo Researchers
Dred Scott & The 1860 Presidential Race
Photo Researchers
The Dred Scott Decision, 1857
Photo Researchers
Harriet Tubman, African-american #1
Photo Researchers
Harpers Ferry Insurrection, 1859 #2
Photo Researchers
Henry Box Brown, African-american #2
Photo Researchers
United States Slave Trade
Photo Researchers
Resurrection Of Henry Box Brown #2
Photo Researchers
Henry David Thoreau, American Author
Photo Researchers
Am I Not A Man And A Brother #2
Photo Researchers
Harriet Beecher Stowe, American #2
Photo Researchers
Baker Liberating Slaves In Africa, 1869
Photo Researchers